Flue check valve is a must-have furniture material for home kitchen in recent years. Most of the flue check valves are stainless steel. Stainless steel flue check valves are popular in recent years. Road check valve brand, we do not know how to choose when purchasing, if you know the working principle of stainless steel flue check valve and the purchase of technology is not in the purchase will be more simple, the following small series To tell everyone the working principle of stainless steel flue check valve and purchase skills.
First, what is a stainless steel flue check valve stainless steel flue check valve is a sort of flue check valve, generally used in the kitchen's oil flue gas pipeline. Connected to the exhaust pipe of the hood, the main body of the stainless steel flue check valve is generally stamped from a stainless steel cold-rolled plate. The outer layer is painted to prevent rust on the body, which not only effectively prevents the smoke from recharging in the flue. , And it has a fire protection function.
Second, the stainless steel flue check valve works Flue check valve refers to relying on the heat flow through the hood and automatically open and close the valve, used to prevent the back of the fumes of the valve, also known as the flue check valve, anti-smoking treasure Flue separators. The flue check valve is an automatic valve whose main function is to prevent oil smoke from flowing backwards, to allow only one direction of flow, and to stop the flow of air in the opposite direction. When the temperature in the flue reaches 150° (the flue temperature reaches 150°, the default is an open flame in the flue), the temperature control element on the back of the valve body will act to close the switch. The valve plate forcibly closes the valve under the action of the spring rebound to prevent the fire from spreading through the soot outlet to the room. This kind of valve is automatically opened and closed by the force generated by the flow of the medium in the pipeline itself, belonging to an automatic valve. The check valve is used in the piping system. Its main function is to prevent the back flow of the medium and can be applied to the piping of various media. The check valve is installed in the pipeline, which is one of the fluid components of this complete pipeline. The flue check valve, also called the inner wall wind cap, is also an environmental protection product promoted by the Ministry of Construction. In modern housing construction, it has been widely used. It can not only prevent the smoke from flowing back, but also can play the role of pipe connection.
Third, how to buy stainless steel flue check valve There are a wide variety of non-return valves in the market, can be divided into built-in check valve and external check valve two kinds: built-in valve plate is located in the flue wall, the installation process is more convenient, There is no requirement for the size of the opening, and as a supplemental measure, families who have been decorated with smoked odor at home can only temporarily solve the problem. Because the built-in non-return valve does not coincide with the air outlet of the hood air duct, it will produce noise; in addition, the resistance will block the fumes from being discharged, and a large amount of grease will be generated for a long time, and the grease will flow into the kitchen along the tiled wall surface. Beauty is also difficult to clean, adding to the housewife's annoyance. External flue check valve, compact and beautiful, easy to install. The air outlet is the same as the air outlet of the hood, and no noise will be generated. In addition, a sealing ring is arranged around the valve plate to prevent grease sticking and to avoid the problem that the check valve piece cannot be opened or closed. In addition, under the valve plate is also provided with a flow guide device, grease will flow through the flow device into the public flue in the mouth, will not back into the room. Effectively eliminates pollutants and prevents the entry of harmful gases in the flue. It can thoroughly solve problems of odors, crosstalk, intrusion, and odors, improve the air quality of kitchens and bathrooms, keep the indoor air fresh, and realize the true comfort and health of the home environment. .
Flue check valve working principle and purchasing skills